Quantiferon-Tb gold and tuberculin skin test for the diagnosis of latent tuberculosis infection in children

ABSTRACT

Background: Appropriate diagnosis and treatment of latent tuberculosis infection [LTBI] play the most important role in the control of tuberculosis. This study aimed to determine the prevalence of LTBI among healthy tuberculosis unexposed children vaccinated with BCG using the tuberculin skin test [TST] and QuantiFERON TB Gold In-Tube [QFT-GIT] and comparing the agreement between the two tests